2656065 has 16 divisors (see below), whose sum is σ = 4290048. Its totient is φ = 1403136.

The previous prime is 2656057. The next prime is 2656079. The reversal of 2656065 is 5606562.

It is not a de Polignac number, because 2656065 - 2³ = 2656057 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 912 + ... + 2478.

It is an arithmetic number, because the mean of its divisors is an integer number (268128).

2^2656065 is an apocalyptic number.

It is an amenable number.

2656065 is a deficient number, since it is larger than the sum of its proper divisors (1633983).

2656065 is a wasteful number, since it uses less digits than its factorization.

2656065 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1688.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 2656065 is about 1629.7438449032. The cubic root of 2656065 is about 138.4882411700.

The spelling of 2656065 in words is "two million, six hundred fifty-six thousand, sixty-five".